Re-add value for Ingress API Version (#12753)

It was removed in #11960, but since Kubernetes 1.14, Ingresses live under networking.k8s.io.

Signed-off-by: Tom Wieczorek <t.wieczorek@yieldlab.de>

stable/jenkins/Chart.yaml

@@ -1,6 +1,6 @@
 name: jenkins
 home: https://jenkins.io/
-version: 0.36.3
+version: 0.36.4
 appVersion: lts
 description: Open source continuous integration server. It supports multiple SCM tools
   including CVS, Subversion and Git. It can execute Apache Ant and Apache Maven-based

stable/jenkins/README.md

@@ -74,6 +74,7 @@ The following tables list the configurable parameters of the Jenkins chart and t
 | `Master.ExtraPorts`               | Open extra ports, for other uses     | Not set                                                                      |
 | `Master.OverwriteConfig`          | Replace init scripts and config w/ ConfigMap on boot  | `false`                                                                      |
 | `Master.ingress.enabled`          | Enables ingress      | `false`                                                                         |
+| `Master.ingress.apiVersion`       | Ingress API version                  | `extensions/v1beta1`                                                         |
 | `Master.ingress.hostName`         | Ingress host name      | Not set                                                                         |
 | `Master.ingress.annotations`      | Ingress annotations                  | `{}`                                                                         |
 | `Master.ingress.labels`           | Ingress labels                       | `{}`                                                                         |

stable/jenkins/templates/NOTES.txt

@@ -3,7 +3,7 @@
 
 Master.HostName --> Master.ingress.hostName
 New value - Master.ingress.enabled
-Master.Ingress.ApiVersion - Deprecated
+Master.Ingress.ApiVersion --> Master.ingress.apiVersion
 Master.Ingress.Annotations --> Master.ingress.annotations
 Master.Ingress.Labels --> Master.ingress.labels
 Master.Ingress.Path --> Master.ingress.path

stable/jenkins/templates/jenkins-master-ingress.yaml

@@ -1,5 +1,5 @@
 {{- if .Values.Master.ingress.enabled }}
-apiVersion: extensions/v1beta1
+apiVersion: {{ .Values.Master.ingress.apiVersion }}
 kind: Ingress
 metadata:
 {{- if .Values.Master.ingress.labels }}

stable/jenkins/values.yaml

@@ -254,6 +254,8 @@ Master:
 
   ingress:
     enabled: false
+    # For Kubernetes v1.14+, use 'networking.k8s.io/v1'
+    apiVersion: extensions/v1beta1
     labels: {}
     annotations: {}
     # kubernetes.io/ingress.class: nginx